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Define the Prototyping Model
In this model, a working model of actual software is developed originally. Prototype is just like a sample software having low reliability and lesser functional capabilities and it doesn't undergo through the rigorous testing phase. Developing a working prototype in first phase overcomes the drawback of the waterfall model where reporting about serious errors is possible only after completion of software development.
Working prototype is given to customer for operation. Customer, afterits use, gives feedback. Analysing the feedback given bythe customer, developer refines, adds requirements and prepares final specification document. Once prototype becomes operational, actual product is developed using normal waterfall model.
Why software change occurs? Software change occurs because of the following reasons. New requirements appear when the software is used. The business atmosphere changes. E
What are the Types of Requirements There are numerous categories of the requirements. On the basis of their priority, requirements are classified into below 3 types: 1.
A measure of the severity and probability of undesired effects. Often taken as the easy product of probability and consequence.
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Give a complete example that how to tackle with it.
QUESTION (a) Explain why making some replica managers read-only may improve the performance of a gossip system. (b) In the gossip architecture, why does a replica manager ne
Construct an E-R diagram for a department store database. This database contains information about customers, items they order, departments in the store, employees, and suppliers o
Differentiate between failures and faults. Failure:- Failure is the departure of external results of program operation from requirements. So failure is dynamic. Failure can
Explain Infeasible Path? Program statement sequence that can never be implemented.
Explain Validation and verification testing? Ans) Used as an entity to describe a procedure of review, analysis, and testing all over the software life cycle to discover errors,
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